Kihyun - 혼자 (Alone) (Kihyun solo)
KIHYUN - Fire (OST Police Station Next To Fire Station Part.1)
Kihyun - 소울메이트 (Soulmate) (OST Producer)
Kihyun - 나는 너 좋아 (I Like You) (OST Producer : Special Edition)
Kihyun - 정말로 사랑했다면 (If You Really Love Me) (OST Producer : Special Edition)
Kihyun - 밤하늘의 별을 닮은 그대 (shiny star and you)
Kihyun - 너를 사랑하고 사랑하다 (I Love You) (Prod. by DGG)
Kihyun - 견딜 수 있을 만큼만
Kihyun - My Way (feat. Yong Ha)
Kihyun - It's Not Sad (OST Father I’ll Take Care of You)